What should I do if my dog smells like it has skin infection?
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Overview
If your dog smells like it has a skin infection, it’s worth checking the coat and skin closely. A strong or sour smell can happen with moisture trapped in the coat, skin irritation, ear problems or an infection, but you can’t tell the cause from smell alone.
Start by looking for visible changes, how your dog feels to touch, and whether the smell is coming from one area or all over. If the smell keeps coming back, or you notice sore skin, discharge or scratching, a vet check is sensible.
Things To Check
1. Work out where the smell is strongest. It may be from the skin, ears, paws, under the tail or a damp patch in the coat.
2. Look closely for redness, swelling, heat, greasy skin, scabs, broken skin or any discharge.
3. Check whether your dog is scratching, licking, rubbing or chewing a particular area more than usual.
4. Feel for wet, matted or sticky fur, especially after bathing, rain, swimming or a muddy walk.
5. Smell the ears and paws as well as the coat, since those areas often contribute to a strong odour.
6. Notice whether your dog seems uncomfortable when you touch the area, which can suggest soreness even if the skin change looks mild.
7. Check whether the smell has started after a change in shampoo, bedding, diet, grooming routine or time spent outdoors.
Common Causes
The most common reason is skin that has stayed damp or dirty for too long, which can leave a musty or sour smell. This is often seen after wet walks, swimming or when thick coats are not dried fully.
Another common cause is a skin irritation or allergy, which can make dogs itchy and lead to licking, scratching and a stronger smell from the affected skin.
Ear infections can also create a noticeable smell, and some owners first notice the odour before they see other signs.
Less commonly, the smell can be linked to a bacterial or yeast skin infection, especially if the skin looks red, greasy, inflamed or scabby. Parasites, anal gland issues or other skin conditions can sometimes contribute too.
What To Do
Gently part the coat and inspect the smelly area in good light. If the fur is damp or dirty, dry it thoroughly and keep the area clean and well aired.
Use your normal grooming routine and note any changes in smell, scratching or skin appearance over the next day or two. If the odour is mainly coming from ears, paws or skin folds, keep those areas as dry as possible after walks or bathing.
Don’t use human creams, antiseptics or fragranced products unless your vet has told you to. These can make some skin problems worse or mask the real issue.
If the smell doesn’t improve quickly, keeps returning, or comes with sore skin, discharge or a change in behaviour, book a vet appointment for a proper check.
Products That May Help
If your dog’s coat, skin, paws or ears need regular attention, a sensible grooming routine can make day-to-day checking and cleaning easier.
Related Questions
Why does my dog smell worse after a walk or bath?
Could my dog’s smell be coming from its ears instead of its skin?
How often should I groom a dog that gets smelly quickly?
Atlas is here to support owners with practical, easy-to-understand guidance. It is not a substitute for professional veterinary advice. If you're concerned about your animal's health, symptoms worsen, or something doesn't feel right, contact your vet.